[gradsusr] Z levels

Pablo Camarena jcamarena006 at gmail.com
Mon Oct 23 12:11:14 EDT 2017


If I put set lev 500 and then
q dims

display:
lev=500 z=500






2017-10-22 15:05 GMT-06:00 L.B. <bcbass2989 at gmail.com>:

> Another option is to set the level based on the pressure value 'set lev
> (pres lev)', then run 'q dims' and you can find the z value from the
> results.
>
> So for instance, if you want to know what z level the 500mb level
> corresponds to, do the following two commands:
>
> 'set lev 500'
>
> 'q dims'
>
> *-------*
> William (L.B.) LaForce IV
> Meteorologist
> www.tornadoinsanity.com
>
> On Sun, Oct 22, 2017 at 4:55 PM, Pablo Camarena <jcamarena006 at gmail.com>
> wrote:
>
>>
>> I checked the control file and say:
>>
>> zdef   29 linear 1 1
>>
>>
>>
>> 2017-10-22 14:49 GMT-06:00 Jeff Duda <jeffduda319 at gmail.com>:
>>
>>> The correspondence between pressure values and level index is defined in
>>> the ZDEF line of your control file.
>>>
>>> Jeff Duda
>>>
>>> On Sun, Oct 22, 2017 at 1:48 PM, Pablo Camarena <jcamarena006 at gmail.com>
>>> wrote:
>>>
>>>>
>>>> Hello to all,
>>>>
>>>> How do I know at what level the values of z correspond?
>>>>
>>>> For example z = 1 is at 1000 hPa but if I want to plot at 700 and 500
>>>> hpa, what value corresponds to z?
>>>>
>>>> best
>>>> JP.
>>>>
>>>> _______________________________________________
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>>>>
>>>
>>>
>>> --
>>> Jeff Duda
>>> Post-doctoral research fellow
>>> University of Oklahoma School of Meteorology
>>>
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>>>
>>
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>>
>
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